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Linux kernel mirror (for testing)
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1/* Solaris/SPARC constants and definitions --
2 * (C) 1996 Miguel de Icaza
3 *
4 * This file is not meant to be included by user level applications
5 * but the solaris syscall emulator
6 */
7
8#ifndef _SPARC64_SVR4_H
9#define _SPARC64_SVR4_H
10
11/* Signals as used by svr4 */
12typedef struct { /* signal set type */
13 uint sigbits[4];
14} svr4_sigset_t;
15
16/* Values for siginfo.code */
17#define SVR4_SINOINFO 32767
18/* Siginfo, sucker expects bunch of information on those parameters */
19typedef union {
20 char total_size [128];
21 struct {
22 int signo;
23 int code;
24 int error;
25 union {
26 } data;
27 } siginfo;
28} svr4_siginfo_t;
29
30/* Context definition */
31
32/* Location of the user stored registers into a greg_t */
33enum {
34 SVR4_PSR, SVR4_PC, SVR4_NPC, SVR4_Y,
35 SVR4_G1, SVR4_G2, SVR4_G3, SVR4_G4,
36 SVR4_G5, SVR4_G6, SVR4_G7, SVR4_O0,
37 SVR4_O1, SVR4_O2, SVR4_O3, SVR4_O4,
38 SVR4_O5, SVR4_O6, SVR4_O7
39};
40
41/* sizeof (regs) / sizeof (greg_t), defined in the ABI */
42#define SVR4_NREGS 19
43#define SVR4_MAXWIN 31
44
45typedef struct {
46 u32 rwin_lo[8];
47 u32 rwin_in[8];
48} svr4_rwindow_t;
49
50typedef struct {
51 int count;
52 u32 winptr [SVR4_MAXWIN]; /* pointer to the windows */
53
54 svr4_rwindow_t win[SVR4_MAXWIN]; /* the windows */
55} svr4_gwindows_t;
56
57typedef int svr4_gregset_t[SVR4_NREGS];
58
59typedef struct {
60 u64 fpu_regs[32];
61 u32 fp_q;
62 u32 fp_fsr;
63 u_char fp_nqel;
64 u_char fp_nqsize;
65 u_char inuse; /* if fpu is in use */
66} svr4_fregset_t;
67
68typedef struct {
69 u32 id; /* if this holds "xrs" string => ptr is valid */
70 u32 ptr;
71} svr4_xrs_t;
72
73/* Machine dependent context */
74typedef struct {
75 svr4_gregset_t greg; /* registers 0..19 (see top) */
76 u32 gwin; /* may point to register windows */
77 svr4_fregset_t freg; /* floating point registers */
78 svr4_xrs_t xrs; /* mhm? */
79 int pad[19];
80} svr4_mcontext_t;
81
82/* flags for stack_t.flags */
83enum svr4_stack_flags {
84 SVR4_SS_ONSTACK,
85 SVR4_SS_DISABLE,
86};
87
88/* signal stack execution place, unsupported */
89typedef struct svr4_stack_t {
90 u32 sp;
91 int size;
92 int flags;
93} svr4_stack_t;
94
95/* Context used by getcontext and setcontext */
96typedef struct svr4_ucontext_t {
97 u32 flags; /* context flags, indicate what is loaded */
98 u32 link;
99 svr4_sigset_t sigmask;
100 svr4_stack_t stack;
101 svr4_mcontext_t mcontext;
102 int pad[23];
103} svr4_ucontext_t;
104
105/* windows hold the windows as they were at signal time,
106 * ucontext->mcontext holds a pointer to them.
107 * addresses for uc and si are passed as parameters to svr4 signal
108 * handler
109 */
110
111/* This is the signal frame that is passed to the signal handler */
112typedef struct {
113 svr4_gwindows_t gw; /* windows */
114 svr4_ucontext_t uc; /* machine context */
115 svr4_siginfo_t si; /* siginfo */
116} svr4_signal_frame_t;
117
118#define SVR4_SF_ALIGNED (((sizeof (svr4_signal_frame_t) + 7) & (~7)))
119
120#endif /* include control */